So, what is crosswalk and why do I care? Take a look at the website: https://crosswalk-project.org/
CrossWalk is a HTML5 runtime, you can use it to create HTML5 applications with 'native features' You can use CrossWalk to create HTML5-only applications for Android (x86 and arm architectures) and Tizen but you can also use CrossWalk as a View within an android project.
This means you can replace Android WebView with XWalkView and get some extra features like: